Structure of 57592-42-4
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CAS No. : | 57592-42-4 |
Formula : | C13H9FO |
M.W : | 200.21 |
SMILES Code : | O=CC1=CC=C(C2=CC=CC=C2F)C=C1 |
MDL No. : | MFCD03424638 |
InChI Key : | XUAVPKGLNUEBHK-UHFFFAOYSA-N |
Pubchem ID : | 1392893 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 15 |
Num. arom. heavy atoms | 12 |
Fraction Csp3 | 0.0 |
Num. rotatable bonds | 2 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 57.22 |
TPSA ? Topological Polar Surface Area: Calculated from |
17.07 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.12 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
3.4 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
3.73 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
3.4 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
4.11 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
3.35 |
Log S (ESOL):? ESOL: Topological method implemented from |
-3.68 |
Solubility | 0.0415 mg/ml ; 0.000207 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.44 |
Solubility | 0.0731 mg/ml ; 0.000365 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-5.15 |
Solubility | 0.00143 mg/ml ; 0.00000713 mol/l |
Class? Solubility class: Log S scale |
Moderately soluble |
GI absorption? Gatrointestinal absorption: according to the white of the BOILED-Egg |
High |
BBB permeant? BBB permeation: according to the yolk of the BOILED-Egg |
Yes |
P-gp substrate? P-glycoprotein substrate: SVM model built on 1033 molecules (training set) |
No |
CYP1A2 inhibitor? Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set) |
Yes |
CYP2C19 inhibitor? Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set) |
No |
CYP2C9 inhibitor? Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set) |
No |
CYP2D6 inhibitor? Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set) |
No |
CYP3A4 inhibitor? Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set) |
No |
Log Kp (skin permeation)? Skin permeation: QSPR model implemented from |
-5.11 cm/s |
Lipinski? Lipinski (Pfizer) filter: implemented from |
0.0 |
Ghose? Ghose filter: implemented from |
None |
Veber? Veber (GSK) filter: implemented from |
0.0 |
Egan? Egan (Pharmacia) filter: implemented from |
0.0 |
Muegge? Muegge (Bayer) filter: implemented from |
1.0 |
Bioavailability Score? Abbott Bioavailability Score: Probability of F > 10% in rat |
0.55 |
PAINS? Pan Assay Interference Structures: implemented from |
0.0 alert |
Brenk? Structural Alert: implemented from |
1.0 alert: heavy_metal |
Leadlikeness? Leadlikeness: implemented from |
No; 1 violation:MW<1.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
1.42 |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With potassium hydroxide; In methanol; di-isopropyl ether; water; pyrographite; acetic acid; ethyl acetate; acetone; | EXAMPLE 1 (E)-4-(2'-Fluoro-4-biphenylyl)-3-buten-2-one by method E 200.2 Gm (1.0 mol) of <strong>[57592-42-4]2'-fluoro-4-biphenyl-carboxaldehyde</strong>, 3500 gm (60.3 mols) of acetone and 200 ml of methanol were charged into a 6-liter three-neck-flask equipped with a stirrer, a dropping funnel and an internal thermometer. While thoroughly stirring the contents of the flask, a solution of 2.805 gm (0.05 mol) of potassium hydroxide in 16 ml of water was added dropwise thereto while maintaining a reaction temperature of 20 to 25C, and the resulting mixture was stirred for three hours more. Thereafter, the precipitated solid side product was filtered off, the filtrate was made neutral by dropwise addition of glacial acetic acid, and the neutral solution was evaporated in vacuo. The residue was recrystallized three times from diisopropyl ether and then once from a mixture of ethyl acetate and diisopropyl ether (volumetric ratio 1:1) in the presence of activated charcoal, yielding 101.2 gm (42% of theory) of the fallow crystalline compound of the formula SPC20 which had a melting point of 113-114C. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate; In water; N,N-dimethyl-formamide; at 130℃;Microwave irradiation; Sealed tube; | General procedure: To a solution of a 3- or 4-bromobenzaldehyde in a mixture DMF/water (3:1; 14.8mL/mmol) were added boronic acid derivative (1.5 equiv.), Pd(PPh3)4 (5mol%), and K2CO3 (2 equiv.). The reaction mixture was heated under microwave irradiation (130C) until TLC showed complete conversion of the starting material (0.5-1h). After cooling, the mixture was extracted with dichloromethane. The combined organic layers were washed with water and brine, dried over Na2SO4, filtered off, and concentrated under reduced pressure to afford the corresponding crude product 2. (0027) Compounds 2a-2p were synthesized following the procedure described above from the corresponding boronic acids. | |
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate; In water; toluene; for 18.0h;Reflux; | General procedure: 4-Bromobenzaldehyde and boronic acid were subjected to Suzuki cross coupling reaction using a palladiumcatalyst as shown in [Scheme 1a]. Specifically, 4-bromobenzaldehyde (3 g, 16.21 mmol), boronic acid (1.28 equivalents),tetrakis(triphenylphosphine)palladium(0) (4-8 mol%) and sodium carbonate (4.86 equivalents) were refluxed in degassedtoluene/distilled water (150 mL/21.6 mL) for 18 hours while heating. The reaction mixture was filtered through celite andthe filtrate was washed twice with ethyl acetate (200 mL) and water (200 mL). The organic layer was combined anddried with sodium sulfate, concentrated in vacuo and then separated and purified by silica gel column chromatography | |
With sodium carbonate;(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; In water; N,N-dimethyl-formamide; at 90℃; for 16.0h;Inert atmosphere; | 2'-Fluorobiphenyl-4-carbaldehvde Into a 100 mL pressure flask equipped with a magnetic stirbar and under nitrogen was added 2-fluoroboronic acid (4.76 g, 34.1 mmol), 4-bromobenzaldehyde (5.25 g, 28.4 mmol), PdCl2(dppf) (1.16 g, 1.42 mmol) and DMF (40 mL). The solution was treated with 2 M aqueous sodium carbonate solution (28 mL, 56.8 mmol) and the vial was sealed and heated to 90 0C for 16 h. The cooled mixture was poured into a 250 mL separatory funnel containing water (125 mL) and the mixture extracted with ethyl acetate (3 x 50 mL). The combined organic layers were washed with brine, dried over MgSO4, filtered and concentrated. Purification by column chromatography on silica gel, eluting with 0% EtOAc in hexanes to 20% EtOAc in hexanes as a gradient, gave the title compound as a solid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
chloro-trimethyl-silane; In N,N-dimethyl-formamide; at 90℃; for 4.0h; | Step l : 2-(2'-Fluorobiphenyl-4-yl)-6-iodo- 1 H-benzimidazole <n="44"/>Into a 10 mL pressure tube equipped with a magnetic stirbar was added 4- iodobenzene-l,2-diamine (600 mg, 2.56 mmol), <strong>[57592-42-4]2'-fluorobiphenyl-4-carbaldehyde</strong> (513 mg, 2.56 mmol) and DMF (4 mL). The reaction mixture was treated with drop wise addition of TMSCl (0.81 mL, 6.41 mmol), the vial sealed, and the mixture heated to 90 0C for 4 h. The cooled reaction mixture was poured into a 125 mL separatory funnel containing 2 M aqueous Na2CO3 solution (75 mL) and the mixture extracted with ethyl acetate (3 x 30 mL). The combined organic layers were washed with brine, dried over MgSO4, filtered and concentrated under reduced pressure. Purification by column chromatography through silica gel, eluting with 5% acetone in toluene afforded the desired product as a solid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Step 2: 2-(2'-Fluorobiphenyl-4-yl)-6-(methylsulfonylVlH-imidazo[4,5-6]pyridineInto a 10 mL vial equipped with a magnetic stirbar was added 5- (methylsulfonyl)pyridine-2,3-diamine (81 mg, 0.433 mmol). To this was added a solution of 2'- fluorobiphenyl-4-carbaldehyde (from Example 1 , step 1 , 87 mg, 0.43 mmol) in DMF (3 mL) and <n="42"/>the reaction mixture stirred at room temperature for 5 min. Chlorotrimethylsilane (0.14 mL, 1.08 mmol) was added dropwise and the reaction mixture stirred for an additional 5 min, and then heated to 90 0C in a reaction block for 16 h. The reaction mixture was cooled to room temperature and quenched with dropwise addition of saturated aqueous Na2CO3 solution. The mixture was poured into a phase separator with 10 mL of water and extracted with dichloromethane (2 x 5 mL). The organic layer was concentrated under vacuum and purified by reverse phase high pressure liquid chromatography through a Ci8 column. 1H NMR (400 MHz, d6-acetone): δ 8.90 (IH, d, J= 2.0 Hz), 8.51-8.49 (3H, m), 7.85-7.82 (2H, m), 7.70 -7.65 (IH, m), 7.53-7.48 (IH, m), 7.40-7.30 (2H, m), 3.30 (3H, s). MS (ESI, Q+) m/z 368 (M+l). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With chloro-trimethyl-silane; In N,N-dimethyl-formamide; at 20 - 90℃; for 2.16667h; | Step 3: 2-(2'-Fluorobiphenyl-4-yl)-6-(methylsulfanyl)-l/f-benzimidazoleInto a 10 mL pressure vial equipped with a magnetic stirbar was added 4- (methylsulfanyl)benzene-l,2-diamine (289 mg, 1.873 mmol), <strong>[57592-42-4]2'-fluorobiphenyl-4-carbaldehyde</strong> (250 mg, 1.25 mmol) and DMF (3 mL). The solution was treated with TMSCl (0.40 mL, 3.12 mmol) and stirred at room temperature for 10 minutes before being heated to 90 0C in an oil bath for 2 h. The cooled reaction mixture was quenched with drop wise addition of 2 M aqueous Na2CO3 solution (5 mL). The mixture was diluted with dichloromethane (5 mL) and the phases separated using a phase extractor. Additional water was added and the mixture was further extracted with dichloromethane (3 x 10 mL). The combined organic layers were concentrated under reduced pressure. Purification by column chromatography through silica gel, eluting with 0% EtOAc in hexanes to 60% EtOAc in hexanes as a gradient, afforded the title compound as off-white solid. Further purification by trituration in acetone and filtering through filter paper on a Hirsch funnel, gave an off-white solid. MS (ESI, Q+) m/z 335 (M+l). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
toluene-4-sulfonic acid; In N,N-dimethyl-formamide; at 100℃;Microwave irradiation; | Step 2: 6-Bromo-2-(2'-fluorobiphenyl-4-yl)-l//-benzimidazole <n="33"/> Into a 5 mL microwave flask, equipped with a magnetic stirbar was added 4- bromobenzene-l,2-diamine (200 mg, 1.07 mmol), />-toluenesulfonic acid monohydrate (20 mg, 0.11 mmol) and <strong>[57592-42-4]2'-fluorobiphenyl-4-carbaldehyde</strong> (214 mg, 1.07 mmol) in DMF (2 mL). The vial was sealed and heated to 100 0C under microwave irradiation. The cooled mixture was poured into a 125 mL separatory funnel containing water (75 mL) and the mixture extracted with ethyl acetate (3 x 30 mL). The combined organic layers were washed with brine, dried over MgSO4, filtered and concentrated. Purification by column chromatography on silica gel eluting with 10% MeCN in toluene gave the title compound as a white solid. MS (ESI, Q+) m/z 367, 369 (M+l). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
2-(2'-Fluorobiphenyl-4-yl)-7VJV-dimethyl-lH-benzimidazole-6-sulfonamide Into a 25 mL round-bottom flask equipped with a magnetic stirbar was added 3,4- diamino-vV,./V-dimethylbenzenesulfonamide (1.00 g, 4.7 mmol). To this was added a solution of <strong>[57592-42-4]2'-fluorobiphenyl-4-carbaldehyde</strong> (from Example 1, step 1, 800 mg, 4.0 mmol) in DMF (10 mL) and the reaction mixture stirred at room temperature for 5 min. Chlorotrimethylsilane (1.28 mL, 10.0 mmol) was added dropwise and the reaction mixture stirred for an additional 5 min, and <n="41"/>then heated to 90 0C in a reaction block for 16 h. The reaction mixture was cooled to room temperature and quenched with dropwise additon of 2M aqueous Na2CO3. The mixture was poured into a 250 mL separatory funnel containing water (75 niL) and the mixture was extracted with dichloromethane (3 x 50 mL). The combined organic layers were washed with brine, dried over MgSO4, filtered and the solvent was evaporated under reduced pressure. Purification by column chromatography through silica gel, eluting with 25% EtOAc in hexanes to 100% EtOAc in hexanes as a gradient over 35 min, yielded the title compound as a foam. MS (ESI, Q+) m/z 396 (M+l). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
50% | General procedure: To a glass vessel capable of being sealed with Teflon cap (for microwave vials) were added 1 and benzaldehyde derivative (3 equiv.). The vessel was capped and then, evacuated and backfilled with N2 (process repeated 3X). Anhydrous DMF (3.5mL/mmol) was introduced and the solution was vigorously stirred for 20min at-20C. TDAE was added slowly and the mixture was stirred for 1h. Then, the reaction was stirred at room temperature overnight. After LC-MS analysis clearly showed that the chloride had been totally consumed, the reaction was hydrolysed with distilled water. The mixture was then extracted with dichloromethane. The combined organic layers were washed with water and brine, dried over Na2SO4, filtered off and concentrated under reduced pressure to afford the corresponding crude product 3. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With triethylamine; In methanol; | General procedure: An imine compound was obtained by subjecting the compound of the step (A) to reductive amination using Lalaninamidehydrochloride or D-alaninamide hydrochloride (step (B), Scheme 1b). Then, an amine compound wasobtained by reducing the imine compound with sodium cyanoborohydride (step (C), Scheme 1c).[0052] After adding 1.2 equivalents of glycinamide hydrochloride or L-alaninamide hydrochloride or D-alaninamidehydrochloride or L-valinamide hydrochloride or L-leucinamide hydrochloride to anhydrous methanol to a concentrationof 0.92 M, 1.5 equivalents of triethylamine was added. When the solution became transparent, 1.0 equivalent of thealdehyde synthesized in the step (A) was added. Two hours later, the solution was washed with ethyl acetate and distilledwater. After drying the organic layer with sodium sulfate and drying in vacuo, the concentrated reaction solution wasdissolved in anhydrous methanol to a concentration of 1.0 M and then 4.0 equivalents of sodium cyanoborohydride wasadded at 0 C. After performing reaction at room temperature for 18 hours, the reaction solution was washed with ethylacetate and distilled water. The organic layer was dried with sodium sulfate, concentrated in vacuo and then separatedand purified by silica gel column chromatography. |
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